Lyn, Is A Gender-neutral Given Name Of Spanish And Portuguese Origins. The Meaning Of Lyn Is "pretty." It Is A Variant Of The Name Lynn And Closely Related To Linda, Two Popular And Traditional Girls Names. With Lyn, The World Is Your Pretty Oyster As That Dropped N Lends It A Fresh And Exciting Twist. Also, As A Boys Name, It Is Sure To Stand Out As An Original Choice! Lyn Is Also Considered An English Name And In The Past Denoted A Person "from The Flax Or Linden Tree Hill."